Maxcom MM821 User Manual page 41

enter PIN of SIM card. If password protection
function, the screen would display "input SIM
card PIN" when power on. The password would be
covered by "*". PIN code can be given while
you get SIM card from network operator.
SIM card PIN2 code
special function (like billing call offered by
network).
SIM card
SIM card PUK code is necessary for changing
locked SIM card PIN code. Ask to service
supplier for passwords if they don't come with
SIM card.
²
Mobile phone safety setting：Open/close phone
lock. Phone lock is a 4-8 digit password, and
its default is "1122" until you change.
Attention：Change password: you can change default
password "1122" into a 4-8 digit password you like.
If phone lock is used, the mobile phone would display
"the phone is locked" when power on. Please unlock
： The PIN which is necessary for using
PUK and PUK2 code（8 char）
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